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Applications
Butt and fillet welding of vehicles, building, ships, bridges and industrial machinery.
Characteristics on usage
- SK-11 is a copper-coated solid wire and suitable for the spray are welding.
- Is stable, spatters are few, and weldability is excellent, even in high welding current range.
- As the deposition rate is high and the penetration is quite deep, high efficiency welding can be performed.
Notes on usage
- Use welding grade CO2 gas.
- Flow quantity of shielding gas should be 20ℓ/min. generally.
- Use the wind-screen against wind.
- Keep the distance between tip and base metal within 6~15mm for 250 Amp.
and under or within 15~25mm for more than 250 Amp. of welding current.
Typical chemical composition of weld metal(%)
|
C |
Mn |
Si |
P |
S |
|
0.054 |
0.98 |
0.46 |
0.013 |
0.012 |
Typical mechanical Properties of weld metal
|
YP N/㎟ (kg/㎟) |
TS M/㎟ (kg/㎟) |
EL% |
IV J (kg-m) |
|
470(48) |
570(58) |
30 |
120(12) |
Sizes available and recommended currents(DC +)
|
Dia. (mm) |
1.0 |
1.2 |
1.6 |
2.0 |
|
A |
F |
50 ~ 220 |
100 ~ 350 |
200 ~ 550 |
250 ~ 650 |
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